Home / 352,137.33-528,247.04-127,603.53

Finding the Fourth Proportional to 352,137.33, 528,247.04 and 127,603.53

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Solution

The fourth proportional to 352,137.33, 528,247.04 and 127,603.53 is: 191,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,137.33 : 528,247.04 = 127,603.53 : x
  2. Step 2: Convert to fraction form
    352,137.33/528,247.04 = 127,603.53/x
  3. Step 3: Cross multiply
    352,137.33x = 528,247.04 × 127,603.53
  4. Step 4: Simplify right side
    352,137.33x = 67,406,186,378.03
  5. Step 5: Solve for x
    x = 67,406,186,378.03/352,137.33
  6. Step 6: Final answer
    x = 191,420.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.